Latest member of "The Lever Club" - QM Veloce after 24 hours
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Not noticeably different taste.
Mouthfeel of shot 2 was better and I could persuade myself it also tasted better. Shot 1 cooled down a reasonable amount whilst shot 2 was being prepared, so I find it hard to compare taste when temperature is different.
I will be trying this again tomorrow if I remember to see if I replicate the same outcome.
Mouthfeel of shot 2 was better and I could persuade myself it also tasted better. Shot 1 cooled down a reasonable amount whilst shot 2 was being prepared, so I find it hard to compare taste when temperature is different.
I will be trying this again tomorrow if I remember to see if I replicate the same outcome.
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It makes sense that too much wetting would lead to channeling and poorer extraction though. I was interested to see just how different the result was.
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Okay, so same experiment, same beans (different cups to confuse things) same visual result!
Shot 1 - 3 s PI, only retarding never to smooth transition:
![a4cee1e2b18212699d100e651c3e638e.jpg]( "a4cee1e2b18212699d100e651c3e638e.jpg")
Shot 2 - 12 s PI, 5 s retard of lever, then full extraction:
![899810a29eb1dc4ba78d2517fd7cb66e.jpg]( "899810a29eb1dc4ba78d2517fd7cb66e.jpg")
Visually, the lower PI shot looks better. Extraction was a nudge too slow, but smooth.
Swapping the order means the "better extraction" is cooler to taste.
Shot 1 has a more balanced acidity I and a more pleasing aftertaste. It is subtle and I would be happy with either one, but I do prefer shot 1.
Another consideration is, with shot 2 I would next try to tighten the grind setting, but I'm really very fine already and I don't want to push the Ceado down to its finer limits as then the timing accuracy is poorer and I feel I am at the edge of its abilities.
So another conclusion is the longer PI is also forcing me to grind unnecessarily fine.
I'll try settling on a 5/6 s PI and moderate retarding if the lever (this is what dfk was guiding at a while back in the thread, but it's always good to understand why).
Shot 1 - 3 s PI, only retarding never to smooth transition:
Shot 2 - 12 s PI, 5 s retard of lever, then full extraction:
Visually, the lower PI shot looks better. Extraction was a nudge too slow, but smooth.
Swapping the order means the "better extraction" is cooler to taste.
Shot 1 has a more balanced acidity I and a more pleasing aftertaste. It is subtle and I would be happy with either one, but I do prefer shot 1.
Another consideration is, with shot 2 I would next try to tighten the grind setting, but I'm really very fine already and I don't want to push the Ceado down to its finer limits as then the timing accuracy is poorer and I feel I am at the edge of its abilities.
So another conclusion is the longer PI is also forcing me to grind unnecessarily fine.
I'll try settling on a 5/6 s PI and moderate retarding if the lever (this is what dfk was guiding at a while back in the thread, but it's always good to understand why).
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1,058 Posts
Does anybody (@coffeechap ? @khampal ?) know how to adjust boiler pressure in the Veloce / Radpia?
I fancy playing and noticed I am running a little low after filling the group chamber
![06a603cdde707eeec06edeee444ced8c.jpg]( "06a603cdde707eeec06edeee444ced8c.jpg")
When I last took the cover off, I found this - is this what I need to adjust?
![8aa3b6c027f008acccddbfb5a1768251.jpg]( "8aa3b6c027f008acccddbfb5a1768251.jpg")
Thanks anyone that can help!
I fancy playing and noticed I am running a little low after filling the group chamber
When I last took the cover off, I found this - is this what I need to adjust?
Thanks anyone that can help!
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1,058 Posts
Well, the forum came good as usual with some invaluable guidance. Had a kind PM from @El carajillo that helped immensely.
If anyone is looking for the same answer - yes - the above photo was of the presurestat and a tiny twist of the screw changed boiler temperature and pressure. I am now running nicely above the red zone
![df75bb47ecea7af26b01ae01f047deb9.jpg]( "df75bb47ecea7af26b01ae01f047deb9.jpg")
The seals needed a regrease as the morning's shot volume / yield produced was way down and the espresso tasted horrific - was very pleased to see back up to full brewing pressure and yield after a grease and the cafelat seals looked perfect.
The two shots to reward myself for fixing the machine tasted amazing. I know that was mostly down to getting full brew pressure back, I am not sure whether it was a placebo, but they tasted better than I can remember for a while. I am thinking a higher temperature cannot hurt when using the light to medium roast beans I favour, so maybe partly that.
Anyway, back up and running [emoji106]
If anyone is looking for the same answer - yes - the above photo was of the presurestat and a tiny twist of the screw changed boiler temperature and pressure. I am now running nicely above the red zone
The seals needed a regrease as the morning's shot volume / yield produced was way down and the espresso tasted horrific - was very pleased to see back up to full brewing pressure and yield after a grease and the cafelat seals looked perfect.
The two shots to reward myself for fixing the machine tasted amazing. I know that was mostly down to getting full brew pressure back, I am not sure whether it was a placebo, but they tasted better than I can remember for a while. I am thinking a higher temperature cannot hurt when using the light to medium roast beans I favour, so maybe partly that.
Anyway, back up and running [emoji106]
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